Home / 18,375.26-25,362.02-11,207.60

Finding the Fourth Proportional to 18,375.26, 25,362.02 and 11,207.60

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Solution

The fourth proportional to 18,375.26, 25,362.02 and 11,207.60 is: 15,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.26 : 25,362.02 = 11,207.60 : x
  2. Step 2: Convert to fraction form
    18,375.26/25,362.02 = 11,207.60/x
  3. Step 3: Cross multiply
    18,375.26x = 25,362.02 × 11,207.60
  4. Step 4: Simplify right side
    18,375.26x = 284,247,375.35
  5. Step 5: Solve for x
    x = 284,247,375.35/18,375.26
  6. Step 6: Final answer
    x = 15,469.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.